What is a Doppler Illuminator?
Doppler Illuminators come in a wide variety of devices. This technology has evolved in a relative vacuum from public view. Named after Christian J. Doppler, Doppler is the change in frequency detected from the movement of a source of coherent radiation (light and radio) or sound. In this case, the Doppler RADAR energy is that frequency shifted energy received by a detector retroreflected by a moving object illuminated by a coherent microwave source on axis with the detector. This reflected energy is the product of the movement, the carrier frequency of the Illuminator, and the speed of light. Because the frequency of the illuminator is known, the velocity of the reflected object can be detected and displayed based on the constant of the speed of light. Doppler Illuminators may be Gunnplexors, Dielectric Resonant Oscillators, Composite amplifiers, circulators and magnetrons, or even Traveling-Wave Tube amplifiers and Klystrons. Their operating frequencies may be as low as 200 Mega Hertz
Doppler Illuminators come in a wide variety of devices. This technology has evolved in a relative vacuum from public view. Named after Christian J. Doppler, Doppler is the change in frequency detected from the movement of a source of coherent radiation (light and radio) or sound. In this case, the Doppler RADAR energy is that frequency shifted energy received by a detector retroreflected by a moving object illuminated by a coherent microwave source on axis with the detector. This reflected energy is the product of the movement, the carrier frequency of the Illuminator, and the speed of light. Because the frequency of the illuminator is known, the velocity of the reflected object can be detected and displayed based on the constant of the speed of light. Doppler Illuminators may be Gunnplexors, Dielectric Resonant Oscillators, Composite amplifiers, circulators and magnetrons, or even Traveling-Wave Tube amplifiers and Klystrons. Their operating frequencies may be as low as 200 Mega Hertz
